Removed `LayerMetadataClient` folder. That content was moved to a separate
repository: Layer-Metadata-SOE-JS-Client.
Added support for Raster metadata (issue #3) based on code by @kitzilla.
Updated references to ArcGIS Server version from 10.1 to 10.2.
Updated assembly version information.
Migrated solution to use NuGet Automatic Package Restore.
See http://docs.nuget.org/docs/workflows/migrating-to-automatic-package-restore
Update README.md

Replaced JavaScript client info with pointer to where that code was moved.
Merge pull request #4 from WSDOT-GIS/AddRasterSupport

Add raster support